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Fixed or Variable Student Loan: Which Is Better?
Fixed rates are often safer, but a variable rate could save money. Find out which is best, a fixed or variable student loan.
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Updated · 2 min read
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Ryan Lane Assigning Editor | Small business, student loans
Ryan Lane is an editor on NerdWallet’s small-business team. He joined NerdWallet in 2019 as a student loans writer, serving as an authority on that topic after spending more than a decade at student loan guarantor American Student Assistance. In that role, Ryan co-authored the Student Loan Ranger blog in partnership with U.S. News & World Report, as well as wrote and edited content about education financing and financial literacy for multiple online properties, e-courses and more. Ryan also previously oversaw the production of life science journals as a managing editor for publisher Cell Press. Ryan is located in Rochester, New York.
Des Toups Lead Assigning Editor | Student loans, repaying college debt, paying for college
Des Toups was a lead assigning editor who supported the student loans and auto loans teams. He had decades of experience in personal finance journalism, exploring everything from car insurance to bankruptcy to couponing to side hustles.
Trea Branch Lead Writer | Student loan refinancing
Trea S. Branch is a former NerdWallet writer focused on student loan refinancing. She holds a degree in economics from the University of Michigan and a degree in business from the University of Notre Dame. Trea shared her own student loan payoff journey through a blog, which turned into a personal finance coaching business. Her goal has been to empower anyone overwhelmed by student debt.
Fixed student loan interest rates are generally a better option than variable rates. That's because fixed rates always stay the same, while variable rates can change monthly or quarterly in response to economic conditions.
Student loan interest rates are rising. Why? They typically follow the direction of the federal funds rate, which the Federal Reserve has been raising to combat inflation. Economists expect the federal funds rate to peak in 2023 before it starts to decline.
If you’re unsure which rate to choose, go with fixed; even in a high-rate environment, it’s the safer option. If you want to take advantage of potentially falling rates in 2023, consider a variable rate. Just know that interest rate predictions are just that — predictions. Anticipating when interest rates will fall and how far they will decline is not always an easy task.
NerdWallet ratingNerdWallet's ratings are determined by our editorial team. The scoring formula for student loan products takes into account more than 50 data points across multiple categories, including repayment options, customer service, lender transparency, loan eligibility and underwriting criteria.
Fixed APR
3.47-17.99%
College Ave Student Loans products are made available through Firstrust Bank, member FDIC, First Citizens Community Bank, member FDIC, or M.Y. Safra Bank, FSB, member FDIC. All loans are subject to individual approval and adherence to underwriting guidelines. Program restrictions, other terms, and conditions apply. (1)All rates include the auto-pay discount. The 0.25% auto-pay interest rate reduction applies as long as a valid bank account is designated for required monthly payments. If a payment is returned, you will lose this benefit. Variable rates may increase after consummation. (2)As certified by your school and less any other financial aid you might receive. Minimum $1,000. (3)This informational repayment example uses typical loan terms for a freshman borrower who selects the Flat Repayment Option with an 8-year repayment term, has a $10,000 loan that is disbursed in one disbursement and a 7.78% fixed Annual Percentage Rate (“APR”): 54 monthly payments of $25 while in school, followed by 96 monthly payments of $176.21 while in the repayment period, for a total amount of payments of $18,266.38. Loans will never have a full principal and interest monthly payment of less than $50. Your actual rates and repayment terms may vary. Information advertised valid as of 12/2/2024. Variable interest rates may increase after consummation. Approved interest rate will depend on creditworthiness of the applicant(s), lowest advertised rates only available to the most creditworthy applicants and require selection of the Flat Repayment Option with the shortest available loan term.
Variable APR
4.99-17.99%
College Ave Student Loans products are made available through Firstrust Bank, member FDIC, First Citizens Community Bank, member FDIC, or M.Y. Safra Bank, FSB, member FDIC. All loans are subject to individual approval and adherence to underwriting guidelines. Program restrictions, other terms, and conditions apply. (1)All rates include the auto-pay discount. The 0.25% auto-pay interest rate reduction applies as long as a valid bank account is designated for required monthly payments. If a payment is returned, you will lose this benefit. Variable rates may increase after consummation. (2)As certified by your school and less any other financial aid you might receive. Minimum $1,000. (3)This informational repayment example uses typical loan terms for a freshman borrower who selects the Flat Repayment Option with an 8-year repayment term, has a $10,000 loan that is disbursed in one disbursement and a 7.78% fixed Annual Percentage Rate (“APR”): 54 monthly payments of $25 while in school, followed by 96 monthly payments of $176.21 while in the repayment period, for a total amount of payments of $18,266.38. Loans will never have a full principal and interest monthly payment of less than $50. Your actual rates and repayment terms may vary. Information advertised valid as of 12/2/2024. Variable interest rates may increase after consummation. Approved interest rate will depend on creditworthiness of the applicant(s), lowest advertised rates only available to the most creditworthy applicants and require selection of the Flat Repayment Option with the shortest available loan term.
NerdWallet ratingNerdWallet's ratings are determined by our editorial team. The scoring formula for student loan products takes into account more than 50 data points across multiple categories, including repayment options, customer service, lender transparency, loan eligibility and underwriting criteria.
Fixed APR
3.49-15.49%
Lowest rates shown include the auto debit. Advertised APRs for undergraduate students assume a $10,000 loan to a student who attends school for 4 years and has no prior Sallie Mae-serviced loans. Interest rates for variable rate loans may increase or decrease over the life of the loan based on changes to the 30-day Average Secured Overnight Financing Rate (SOFR) rounded up to the nearest one-eighth of one percent. Advertised variable rates are the starting range of rates and may vary outside of that range over the life of the loan. Interest is charged starting when funds are sent to the school. With the Fixed and Deferred Repayment Options, the interest rate is higher than with the Interest Repayment Option and Unpaid Interest is added to the loan’s Current Principal at the end of the grace/separation period. To receive a 0.25 percentage point interest rate discount, the borrower or cosigner must enroll in auto debit through Sallie Mae. The discount applies only during active repayment for as long as the Current Amount Due or Designated Amount is successfully withdrawn from the authorized bank account each month. It may be suspended during forbearance or deferment. Advertised APRs are valid as of 11/25/2024. Loan amounts: For applications submitted directly to Sallie Mae, loan amount cannot exceed the cost of attendance less financial aid received, as certified by the school. Applications submitted to Sallie Mae through a partner website will be subject to a lower maximum loan request amount. Miscellaneous personal expenses (such as a laptop) may be included in the cost of attendance for students enrolled at least half-time. Examples of typical costs for a $10,000 Smart Option Student Loan with the most common fixed rate, fixed repayment option, 6-month separation period, and two disbursements: For a borrower with no prior loans and a 4-year in-school period, it works out to a 10.28% fixed APR, 51 payments of $25.00, 119 payments of $182.67 and one payment of $121.71, for a Total Loan Cost of $23,134.44. For a borrower with $20,000 in prior loans and a 2-year in-school period, it works out to a 10.78% fixed APR, 27 payments of $25.00, 179 payments of $132.53 and one payment of $40.35 for a total loan cost of $24,438.22. Loans that are subject to a $50 minimum principal and interest payment amount may receive a loan term that is less than 10 years. A variable APR may increase over the life of the loan. A fixed APR will not.
Variable APR
4.92-15.08%
Lowest rates shown include the auto debit. Advertised APRs for undergraduate students assume a $10,000 loan to a student who attends school for 4 years and has no prior Sallie Mae-serviced loans. Interest rates for variable rate loans may increase or decrease over the life of the loan based on changes to the 30-day Average Secured Overnight Financing Rate (SOFR) rounded up to the nearest one-eighth of one percent. Advertised variable rates are the starting range of rates and may vary outside of that range over the life of the loan. Interest is charged starting when funds are sent to the school. With the Fixed and Deferred Repayment Options, the interest rate is higher than with the Interest Repayment Option and Unpaid Interest is added to the loan’s Current Principal at the end of the grace/separation period. To receive a 0.25 percentage point interest rate discount, the borrower or cosigner must enroll in auto debit through Sallie Mae. The discount applies only during active repayment for as long as the Current Amount Due or Designated Amount is successfully withdrawn from the authorized bank account each month. It may be suspended during forbearance or deferment. Advertised APRs are valid as of 11/25/2024. Loan amounts: For applications submitted directly to Sallie Mae, loan amount cannot exceed the cost of attendance less financial aid received, as certified by the school. Applications submitted to Sallie Mae through a partner website will be subject to a lower maximum loan request amount. Miscellaneous personal expenses (such as a laptop) may be included in the cost of attendance for students enrolled at least half-time. Examples of typical costs for a $10,000 Smart Option Student Loan with the most common fixed rate, fixed repayment option, 6-month separation period, and two disbursements: For a borrower with no prior loans and a 4-year in-school period, it works out to a 10.28% fixed APR, 51 payments of $25.00, 119 payments of $182.67 and one payment of $121.71, for a Total Loan Cost of $23,134.44. For a borrower with $20,000 in prior loans and a 2-year in-school period, it works out to a 10.78% fixed APR, 27 payments of $25.00, 179 payments of $132.53 and one payment of $40.35 for a total loan cost of $24,438.22. Loans that are subject to a $50 minimum principal and interest payment amount may receive a loan term that is less than 10 years. A variable APR may increase over the life of the loan. A fixed APR will not.
Credible lets you check with multiple student loan lenders to get rates with no impact to your credit score. Visit their website to take the next steps.
Fixed vs. variable student loan?
All federal student loans have fixed interest rates. It’s typically best to max out federal student loans before turning to private student loans because borrowers with federal loans qualify for income-driven repayment plans and loan forgiveness programs — borrowers with private loans won't.
If you opt for a private student loan, or if you refinance your existing student loans through a private lender, you can typically choose a fixed or variable rate. Here's how to decide between them:
Fixed student loan rates are the safer bet
Fixed rates are locked in for the life of the loan. The only way to change a fixed interest rate is through student loan refinancing.
Pros
There’s no chance that your rate will increase.
Predictable monthly payments; the amount due won’t change.
Cons
Rates typically start out higher than variable rates.
You could miss out on interest savings if variable rates go lower.
Consider a fixed rate if
Interest rates are on an upward swing.
You don’t expect to pay off your loans anytime soon.
Variable student loan rates are a gamble
Variable rates are subject to change throughout the life of the loan. Student loan lenders set variable rates based on the Secured Overnight Financing Rate, or SOFR. Lenders determine variable rates by adding an average of the daily SOFR to a base rate. If the SOFR goes up, your rate will also increase.
The SOFR and federal funds rate tend to go in the same direction. That is why when the Federal Reserve hikes interest rates, experts anticipate variable student loan rates to follow.
Before getting a variable-rate student loan, ask lenders how often the rate is subject to change. Some adjust variable rates monthly, while others adjust every three months. Also, find out about the overall rate cap. Variable rates are often capped, but the caps can be as high as 25%.
Pros
Rates typically start out lower than fixed rates.
You could save on interest if interest rates decline.
Cons
Interest rates are expected to peak in 2023, but timing interest rate declines is tricky and you could have a period of higher monthly payments.
Unpredictable monthly payments; the amount due could change each period.
Your total number of monthly payments could change as the rate changes.
Consider a variable rate if
You expect to pay off your loans before periodic rate increases erode any savings. Here's how SOFR has moved in the past.
Which rate is better for student loan refinancing?
Refinancing can help you pay off student loans faster by decreasing your interest rate. If you plan to aggressively repay your refinanced loan, a variable rate may maximize your potential savings if interest rates fall.
But do the math first. The lowest fixed and variable rates for refinance lenders typically aren't that far apart. That means you may not pay much more with a fixed rate, and you'll be protected if your repayment plans change.
If you do opt for a variable rate and rates begin to climb, there's little downside to trying to refinance again.
Estimate potential student loan refinance savings
Note: This calculator assumes that after you refinance, you’ll make minimum monthly payments.
